Home / 178,839,376.80-268,259,065.20-161,833,264.80

Finding the Fourth Proportional to 178,839,376.80, 268,259,065.20 and 161,833,264.80

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Solution

The fourth proportional to 178,839,376.80, 268,259,065.20 and 161,833,264.80 is: 242,749,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,839,376.80 : 268,259,065.20 = 161,833,264.80 : x
  2. Step 2: Convert to fraction form
    178,839,376.80/268,259,065.20 = 161,833,264.80/x
  3. Step 3: Cross multiply
    178,839,376.80x = 268,259,065.20 × 161,833,264.80
  4. Step 4: Simplify right side
    178,839,376.80x = 43,413,240,333,512,064
  5. Step 5: Solve for x
    x = 43,413,240,333,512,064/178,839,376.80
  6. Step 6: Final answer
    x = 242,749,897.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.